package com.qf.utils;

import com.google.gson.Gson;
import com.qiniu.common.QiniuException;
import com.qiniu.http.Response;
import com.qiniu.storage.Configuration;
import com.qiniu.storage.Region;
import com.qiniu.storage.UploadManager;
import com.qiniu.storage.model.DefaultPutRet;
import com.qiniu.util.Auth;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;

@Component
public class UploadUtils {

    @Value("${qiniu.ak}")
    private String ak;
    @Value("${qiniu.sk}")
    private String sk;
    @Value("${qiniu.bucket}")
    private String bucket;
    @Value("${qiniu.url}")
    private String url;

    public String upload(MultipartFile multipartFile){

        //构造一个带指定 Region 对象的配置类
        Configuration cfg = new Configuration(Region.region2());

        //其他参数参考类注释
        UploadManager uploadManager = new UploadManager(cfg);

        //生成上传凭证，然后准备上传
        //默认不指定key的情况下，以文件内容的hash值作为文件名
        String key = null;

        Auth auth = Auth.create(ak, sk);

        String upToken = auth.uploadToken(bucket);

        try {

            Response response = uploadManager.put(multipartFile.getInputStream(),key,upToken,null, null);

            //解析上传成功的结果
            DefaultPutRet putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class);

            return url+putRet.hash;

        } catch (QiniuException ex) {

            Response r = ex.response;

            System.err.println(r.toString());

            try {

                System.err.println(r.bodyString());

            } catch (QiniuException ex2) {

                //ignore

            }

        } catch (IOException e) {

            e.printStackTrace();

        }

             return null;
    }
}
